--- /dev/null
+/*
+ Unix SMB/CIFS implementation.
+ NBT netbios routines and daemon - version 2
+ Copyright (C) Andrew Tridgell 1994-1998
+ Copyright (C) Luke Kenneth Casson Leighton 1994-1998
+ Copyright (C) Jeremy Allison 1994-2003
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include "includes.h"
+
+extern struct in_addr allones_ip;
+
+extern uint16 samba_nb_type; /* Samba's NetBIOS type. */
+
+/****************************************************************************
+ Fail to become a Logon server on a subnet.
+****************************************************************************/
+
+static void become_logon_server_fail(struct subnet_record *subrec,
+ struct response_record *rrec,
+ struct nmb_name *fail_name)
+{
+ unstring failname;
+ struct work_record *work;
+ struct server_record *servrec;
+
+ pull_ascii_nstring(failname, sizeof(failname), fail_name->name);
+ work = find_workgroup_on_subnet(subrec, failname);
+ if(!work) {
+ DEBUG(0,("become_logon_server_fail: Error - cannot find \
+workgroup %s on subnet %s\n", failname, subrec->subnet_name));
+ return;
+ }
+
+ if((servrec = find_server_in_workgroup( work, global_myname())) == NULL) {
+ DEBUG(0,("become_logon_server_fail: Error - cannot find server %s \
+in workgroup %s on subnet %s\n",
+ global_myname(), failname, subrec->subnet_name));
+ work->log_state = LOGON_NONE;
+ return;
+ }
+
+ /* Set the state back to LOGON_NONE. */
+ work->log_state = LOGON_NONE;
+
+ servrec->serv.type &= ~SV_TYPE_DOMAIN_CTRL;
+
+ DEBUG(0,("become_logon_server_fail: Failed to become a domain master for \
+workgroup %s on subnet %s. Couldn't register name %s.\n",
+ work->work_group, subrec->subnet_name, nmb_namestr(fail_name)));
+
+}
+
+/****************************************************************************
+ Become a Logon server on a subnet.
+ ****************************************************************************/
+
+static void become_logon_server_success(struct subnet_record *subrec,
+ struct userdata_struct *userdata,
+ struct nmb_name *registered_name,
+ uint16 nb_flags,
+ int ttl, struct in_addr registered_ip)
+{
+ unstring reg_name;
+ struct work_record *work;
+ struct server_record *servrec;
+
+ pull_ascii_nstring(reg_name, sizeof(reg_name), registered_name->name);
+ work = find_workgroup_on_subnet( subrec, reg_name);
+ if(!work) {
+ DEBUG(0,("become_logon_server_success: Error - cannot find \
+workgroup %s on subnet %s\n", reg_name, subrec->subnet_name));
+ return;
+ }
+
+ if((servrec = find_server_in_workgroup( work, global_myname())) == NULL) {
+ DEBUG(0,("become_logon_server_success: Error - cannot find server %s \
+in workgroup %s on subnet %s\n",
+ global_myname(), reg_name, subrec->subnet_name));
+ work->log_state = LOGON_NONE;
+ return;
+ }
+
+ /* Set the state in the workgroup structure. */
+ work->log_state = LOGON_SRV; /* Become domain master. */
+
+ /* Update our server status. */
+ servrec->serv.type |= (SV_TYPE_NT|SV_TYPE_DOMAIN_MEMBER);
+ /* To allow Win95 policies to load we need to set type domain
+ controller.
+ */
+ servrec->serv.type |= SV_TYPE_DOMAIN_CTRL;
+
+ /* Tell the namelist writer to write out a change. */
+ subrec->work_changed = True;
+
+ /*
+ * Add the WORKGROUP<1C> name to the UNICAST subnet with the IP address
+ * for this subnet so we will respond to queries on this name.
+ */
+
+ {
+ struct nmb_name nmbname;
+ make_nmb_name(&nmbname,lp_workgroup(),0x1c);
+ insert_permanent_name_into_unicast(subrec, &nmbname, 0x1c);
+ }
+
+ DEBUG(0,("become_logon_server_success: Samba is now a logon server \
+for workgroup %s on subnet %s\n", work->work_group, subrec->subnet_name));
+}
+
+/*******************************************************************
+ Become a logon server by attempting to register the WORKGROUP<1c>
+ group name.
+******************************************************************/
+
+static void become_logon_server(struct subnet_record *subrec,
+ struct work_record *work)
+{
+ DEBUG(2,("become_logon_server: Atempting to become logon server for workgroup %s \
+on subnet %s\n", work->work_group,subrec->subnet_name));
+
+ DEBUG(3,("become_logon_server: go to first stage: register %s<1c> name\n",
+ work->work_group));
+ work->log_state = LOGON_WAIT;
+
+ register_name(subrec, work->work_group,0x1c,samba_nb_type|NB_GROUP,
+ become_logon_server_success,
+ become_logon_server_fail, NULL);
+}
+
+/*****************************************************************************
+ Add the internet group <1c> logon names by unicast and broadcast.
+ ****************************************************************************/
+
+void add_logon_names(void)
+{
+ struct subnet_record *subrec;
+
+ for (subrec = FIRST_SUBNET; subrec; subrec = NEXT_SUBNET_INCLUDING_UNICAST(subrec)) {
+ struct work_record *work = find_workgroup_on_subnet(subrec, lp_workgroup());
+
+ if (work && (work->log_state == LOGON_NONE)) {
+ struct nmb_name nmbname;
+ make_nmb_name(&nmbname,lp_workgroup(),0x1c);
+
+ if (find_name_on_subnet(subrec, &nmbname, FIND_SELF_NAME) == NULL) {
+ if( DEBUGLVL( 0 ) ) {
+ dbgtext( "add_domain_logon_names:\n" );
+ dbgtext( "Attempting to become logon server " );
+ dbgtext( "for workgroup %s ", lp_workgroup() );
+ dbgtext( "on subnet %s\n", subrec->subnet_name );
+ }
+ become_logon_server(subrec, work);
+ }
+ }
+ }
+}
projects / samba / blobdiff